Adolph von Knigge
Adolph Franz Friedrich Ludwig Freiherr Knigge (October 16, 1752 - May 6, 1796) was a German writer and Freemason. He co-founded the Illuminati together with Adam Weishaupt.
"On Conversation With Men
Knigge was born in Bredenbeck, Hanover. He was allegedly initiated into Freemasonry in 1772 in Kassel.
In Germany, Knigge is best remembered for his book "On Conversation with Men" (better: "Behaviour towards Men"), a guide for behaviour, politeness and etiquette.
Knigge died in Bremen.